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The A/B Verdict

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain
SQL
Difficulty
medium
Seniority
L4

Problem

For each experiment on the A/B testing platform, show the count of positive outcomes (where the outcome value is greater than zero), the count of non-positive outcomes, and the average outcome value.

Summary

Variant A or Variant B. The conversion numbers pick the winner.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.

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